During a snowstorm, the temperature drops from 0°F to -10°F in 2 hours. On average, by how many degrees is the temperature changing per hour?
A. -5°F
B. -8°F
C. 10°F
O D. 20°F

21

step-by-step explanation:

b). 4320 have a nice day

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.